Bronchiolitis
77 Bronchiolitis Overview/pathophysiology Bronchiolitis is an acute infection that causes inflammation and obstruction of the bronchioles, the smallest, most distal sections of the lower respiratory tract. It rarely occurs in…
Hyperglycemic hyperosmolar syndrome
47 Hyperglycemic hyperosmolar syndrome Overview/pathophysiology Hyperglycemic hyperosmolar syndrome (HHS), also known as hyperosmolar hyperglycemic nonketotic syndrome (HHNK), hyperosmolar coma, nonketotic hyperosmolar coma, hyperosmolar nonketotic syndrome, hyperosmolar hyperglycemic nonketotic coma, and…
Pulmonary embolus
12 Pulmonary embolus Overview/pathophysiology Pulmonary embolus (PE) is an obstruction of the pulmonary artery or one of its branches by substances (i.e., blood clot, fat, air, amniotic fluid) that originated…
Schizophrenia
99 Schizophrenia Overview/pathophysiology Schizophrenia is a neurobiologic disorder of the brain categorized as a thought disorder with disturbances in thinking, feeling, perceiving, and relating to others and the environment. Schizophrenia…
Substance abuse disorders
100 Substance abuse disorders Overview/pathophysiology Substance abuse is one of the major health issues in the United States. The connection between substance use and social and health problems is well…
Dementia—alzheimer’s type
97 Dementia—alzheimer’s type Overview/pathophysiology Dementia is a chronic cognitive disorder that is part of a category of psychiatric disorders classified as Delirium, Dementia, and Amnestic and other Cognitive Disorders. Delirium…
Major depression
98 Major depression Overview/pathophysiology Major depression is one of the mood disorders, a category of disorders characterized by profound sadness or apathy, irritability, or elation. These disorders rank among the…
Bipolar disorder (manic component)
96 Bipolar disorder (manic component) Overview/pathophysiology Bipolar disorder is a mood disorder characterized by episodes of major depression and mania or hypomania. (See the care plan on “Major Depression,” p….